Prasanna Saraswathi Nair, M.D.
Internal Medicine Physician · Niles, IL
Prasanna Saraswathi Nair, M.D. is an internal medicine physician with a practice address in Niles, Illinois, and NPI 1538381355, issued on May 2, 2007. Check the license (Illinois 036-091976, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Prasanna Saraswathi Nair
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-091976 IL
Self-reported in NPPES; status is on the state search - Practice location
- 6450 W. Touhy Ave., Niles, IL 60714
- Phone
- (847) 583-1000
- Enumerated
- May 2, 2007
- Record last updated
- Apr 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (224) 998-2427
- Medicare enrollment
- Enrolled (PECOS I20040130000029); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Verify Prasanna Saraswathi Nair in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-091976Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% more Medicare Part D claims than the average internal medicine physician in 2024
4,289 Medicare Part D claims for 412 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 28 claims were for opioids.
Most prescribed
- Amlodipine Besylate381 claims
- Atorvastatin Calcium301 claims
- Rosuvastatin Calcium222 claims
- Losartan Potassium213 claims
- Metformin Hcl201 claims
- Levothyroxine Sodium189 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Endeavor Health Medical GroupEvanston, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Prasanna Saraswathi Nair among 7,238 internal medicine physician records in Illinois
Prasanna Saraswathi Nair, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 55% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1988 · median 2003 among the 3,580 with a school on file
- Record last updated2021 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 internal medicine physician records list a practice address in Niles
They are 21 of the 589 NPPES records with a practice address in Niles, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Niles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gail Herman, M.D.Niles, IL 607141457301871
- Bruce Hertz, MDNiles, IL 607141124092259
- Shilpa Joglekar, M.D.Niles, IL 607141225087174
- Thomas Kannin, MDNiles, IL 607141235132952
- Indira Nair, M.D., S.C.Niles, IL 607141306880455
- Kyong Oh, M.D.Niles, IL 607141144253048
- John Oh, M.D.Niles, IL 607141992730725
- Camelia Pop, M.D.Niles, IL 607141396853230
Common questions
What is Prasanna Saraswathi Nair, M.D.'s NPI number?
Prasanna Saraswathi Nair, M.D.'s National Provider Identifier (NPI) is 1538381355, issued on May 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Prasanna Saraswathi Nair, M.D. located?
The NPPES record lists a practice address at 6450 W. Touhy Ave., Niles, IL, 60714. Phone: (847) 583-1000. Providers update this record themselves, so call before visiting.
How can I verify Prasanna Saraswathi Nair, M.D.'s license?
NPPES lists Illinois license number 036-091976, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Prasanna Saraswathi Nair, M.D. prescribe under Medicare Part D?
In 2024, Prasanna Saraswathi Nair, M.D. had 4,289 Medicare Part D claims for 412 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.